Obama notes split over Syria attack, plans speech

President Barack Obama acknowledged deep divisions at home and abroad on Friday over his call for military action in Syria – and conceded the possibility he'll fail to sway the American public. He refused to say whether he would act without passage of congressional authorization for a strike in response to chemical weapons use.Setting the stage for an intense week of lobbying in Washington over the strike resolution, Obama said he planned to make his case to the American people …